GE TEY340 - 40 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the GE TEY340, a reliable 40A, 480V, 3-pole bolt-on molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection. Designed for panelboards and loadcenters, this breaker delivers steadfast protection where it matters most, even in vibration-prone environments.

• Secure bolt-on mounting provides a rigid, vibration-resistant connection to the bus, helping maintain consistent electrical performance over time.
• Thermal-magnetic trip unit delivers stable, repeatable protection, automatically shutting down on overcurrent or short-circuit conditions to minimize damage to wiring and devices.
• OEM-compatible design is compatible with matching GE OEM loadcenters and panelboards, simplifying replacements and upgrades without sacrificing fit or protection.
• Versatile application suited for residential, commercial, and light industrial environments where reliable 3-pole protection at 480V is required.

Technical snapshot

• Manufacturer: GE
• Part Number: TEY340
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 40A
• Voltage Rating: 480V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Why choose the GE TEY340? When you’re protecting critical electrical circuits, you need a breaker that doesn’t just meet spec sheets—but delivers consistent performance in real-world conditions. The bolt-on design keeps the connection solid under vibration, while the thermal-magnetic trip mechanism ensures rapid, predictable response to faults. This combination helps protect wiring insulation, reduces nuisance trips, and supports longer service life for your panelboard system.

Ideal use cases include configuring or upgrading panelboards in homes, small-to-medium commercial spaces, and light industrial environments where 40A circuits at 480V are required. It’s a practical choice for technicians seeking a dependable GE component that aligns with existing GE panelboards and loadcenters, ensuring seamless integration and straightforward maintenance.

Practical tips for installation and care:

• Confirm compatibility with your GE OEM panelboard or loadcenter before replacing an existing breaker.
• Ensure the mounting interface is clean and free of debris to maintain the integrity of the bolt-on connection.
• Follow standard electrical safety practices and the OEM installation guidelines when wiring and seating the breaker.